| //===-- llvm/MC/MCInst.h - MCInst class -------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the declaration of the MCInst and MCOperand classes, which |
| // is the basic representation used to represent low-level machine code |
| // instructions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| /* Capstone Disassembly Engine */ |
| /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2015 */ |
| |
| #ifndef CS_MCINST_H |
| #define CS_MCINST_H |
| |
| #include "include/capstone/capstone.h" |
| |
| typedef struct MCInst MCInst; |
| typedef struct cs_struct cs_struct; |
| typedef struct MCOperand MCOperand; |
| |
| /// MCOperand - Instances of this class represent operands of the MCInst class. |
| /// This is a simple discriminated union. |
| struct MCOperand { |
| enum { |
| kInvalid = 0, ///< Uninitialized. |
| kRegister, ///< Register operand. |
| kImmediate, ///< Immediate operand. |
| kFPImmediate, ///< Floating-point immediate operand. |
| } MachineOperandType; |
| unsigned char Kind; |
| |
| union { |
| unsigned RegVal; |
| int64_t ImmVal; |
| double FPImmVal; |
| }; |
| }; |
| |
| bool MCOperand_isValid(const MCOperand *op); |
| |
| bool MCOperand_isReg(const MCOperand *op); |
| |
| bool MCOperand_isImm(const MCOperand *op); |
| |
| bool MCOperand_isFPImm(const MCOperand *op); |
| |
| bool MCOperand_isInst(const MCOperand *op); |
| |
| /// getReg - Returns the register number. |
| unsigned MCOperand_getReg(const MCOperand *op); |
| |
| /// setReg - Set the register number. |
| void MCOperand_setReg(MCOperand *op, unsigned Reg); |
| |
| int64_t MCOperand_getImm(MCOperand *op); |
| |
| void MCOperand_setImm(MCOperand *op, int64_t Val); |
| |
| double MCOperand_getFPImm(const MCOperand *op); |
| |
| void MCOperand_setFPImm(MCOperand *op, double Val); |
| |
| const MCInst *MCOperand_getInst(const MCOperand *op); |
| |
| void MCOperand_setInst(MCOperand *op, const MCInst *Val); |
| |
| // create Reg operand in the next slot |
| void MCOperand_CreateReg0(MCInst *inst, unsigned Reg); |
| |
| // create Reg operand use the last-unused slot |
| MCOperand *MCOperand_CreateReg1(MCInst *inst, unsigned Reg); |
| |
| // create Imm operand in the next slot |
| void MCOperand_CreateImm0(MCInst *inst, int64_t Val); |
| |
| // create Imm operand in the last-unused slot |
| MCOperand *MCOperand_CreateImm1(MCInst *inst, int64_t Val); |
| |
| /// MCInst - Instances of this class represent a single low-level machine |
| /// instruction. |
| struct MCInst { |
| unsigned OpcodePub; |
| uint8_t size; // number of operands |
| bool has_imm; // indicate this instruction has an X86_OP_IMM operand - used for ATT syntax |
| uint8_t op1_size; // size of 1st operand - for X86 Intel syntax |
| unsigned Opcode; |
| MCOperand Operands[48]; |
| cs_insn *flat_insn; // insn to be exposed to public |
| uint64_t address; // address of this insn |
| cs_struct *csh; // save the main csh |
| uint8_t x86opsize; // opsize for [mem] operand |
| |
| // (Optional) instruction prefix, which can be up to 4 bytes. |
| // A prefix byte gets value 0 when irrelevant. |
| // This is copied from cs_x86 struct |
| uint8_t x86_prefix[4]; |
| uint8_t imm_size; // immediate size for X86_OP_IMM operand |
| bool writeback; // writeback for ARM |
| // operand access index for list of registers sharing the same access right (for ARM) |
| uint8_t ac_idx; |
| uint8_t popcode_adjust; // Pseudo X86 instruction adjust |
| char assembly[8]; // for special instruction, so that we dont need printer |
| unsigned char evm_data[32]; // for EVM PUSH operand |
| }; |
| |
| void MCInst_Init(MCInst *inst); |
| |
| void MCInst_clear(MCInst *inst); |
| |
| // do not free operand after inserting |
| void MCInst_insert0(MCInst *inst, int index, MCOperand *Op); |
| |
| void MCInst_setOpcode(MCInst *inst, unsigned Op); |
| |
| unsigned MCInst_getOpcode(const MCInst*); |
| |
| void MCInst_setOpcodePub(MCInst *inst, unsigned Op); |
| |
| unsigned MCInst_getOpcodePub(const MCInst*); |
| |
| MCOperand *MCInst_getOperand(MCInst *inst, unsigned i); |
| |
| unsigned MCInst_getNumOperands(const MCInst *inst); |
| |
| // This addOperand2 function doesnt free Op |
| void MCInst_addOperand2(MCInst *inst, MCOperand *Op); |
| |
| #endif |